Mueller Industries, Inc. is a leading U.S.-based manufacturer of copper, brass, plastic, and aluminum products. Excelling in the production and distribution of the finest quality copper and brass products is the foundation upon which Mueller Industries operates. Founder Hieronymous Mueller began his journey in the 1870s when he patented an improved water tapping machine and became the first to pour castings using brass. Today, Mueller Industries provides the broadest tube and fitting product line available from a single source in the United States for plumbing and refrigeration applications. They are a leader in the production of copper tube and fittings; brass and copper alloy rod, bar and shapes; aluminum and brass forgings; aluminum and copper impact extrusions; plastic fittings and valves; refrigeration valves and fittings; and fabricated tubular products. As they continue to grow they lead the pack in the development of new products and innovative manufacturing processes.